Active standard | Published: 05/06/1957

BS 1104:1957

Specification for general purpose Acme screw threads.

Available languages: English

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Detail information

Designation: BS 1104:1957

Publication date: 05/06/1957

Pages: 42

Country: British technical standard

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Anotation

Defines Acme thread; tables of basic sizes, limits and tolerances for standard series of single start threads 1 in to 5 in diameter. Agrees with ASA B1.5:1952 except for pitches associated with diameters 3/8 in, $9G in, 1 in, 11 in and 11/2 in. 2G, 3G and 4G fits in the American standard included, together with finer class, 5G. Tables of effective diameter tolerances for extended range of diameter/pitch combinations are provided. From these and related tables limiting dimensions for any special diameter/pitch combination for single or multi-start Acme thread can be calculated. Status: Confirmed

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